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A nurse is preparing to administer diphenhydramine 25 mg/kg IM to a child who weighs 68 lb. Available is diphenhydramine Injection 50 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
Answer and Explanation

The Correct Answer is ["15.4"]

To calculate the correct dose of diphenhydramine, we need to follow these steps:

  1. Convert pounds to kilograms:

    • 68 lb * 0.4536 kg/lb = 30.8 kg

  2. Calculate the total dose in milligrams:

    • 25 mg/kg * 30.8 kg = 770 mg

  3. Determine the volume needed from the available concentration:

    • 770 mg * (1 mL / 50 mg) = 15.4 mL

Therefore, the nurse should administer 15.4 mL of diphenhydramine.

Answer: 15.4 mL


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Related Questions

Correct Answer is D

Explanation

A) Take the medication at 1800, 30 min after the evening meal:

This interpretation is incorrect. Alendronate should be taken upon waking in the morning, at least 30 minutes before any food, fluids, or other medications. Taking it in the evening or after a meal would significantly reduce its absorption and effectiveness.

B) The client can return to bed after taking the medication, but before eating:

This interpretation is incorrect. The client needs to remain upright for at least 30 minutes after taking alendronate to prevent esophageal irritation or damage. Returning to bed shortly after taking the medication could lead to serious complications.

C) Over-the-counter oral preparations can be taken with this medication:

This interpretation is incorrect. Alendronate should be taken alone with a full glass of water. No other medications, including over-the-counter oral preparations, should be taken at the same time to ensure proper absorption and prevent interactions.

D) Choose the same day of each week to take this medication:

This is the correct interpretation. Alendronate is prescribed to be taken once per week, and choosing the same day each week helps maintain a consistent dosing schedule. This consistency is important for the medication's effectiveness in treating osteoporosis.

Correct Answer is ["3"]

Explanation

The nurse should administer 3 tablets of bumetanide.

Here's the breakdown:

Desired dose: 1.5 mg

Strength of available tablets: 0.5 mg per tablet

We can find the number of tablets needed by dividing the desired dose by the amount of medication in each tablet and rounding to the nearest whole number:

Number of tablets (rounded) = Desired dose / Medication per tablet

= 1.5 mg / 0.5 mg/tablet

= 3 tablets (rounded to nearest whole number)

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